CA935169A - Process for the synthesis of fluoran dyes - Google Patents

Process for the synthesis of fluoran dyes

Info

Publication number
CA935169A
CA935169A CA124824A CA124824A CA935169A CA 935169 A CA935169 A CA 935169A CA 124824 A CA124824 A CA 124824A CA 124824 A CA124824 A CA 124824A CA 935169 A CA935169 A CA 935169A
Authority
CA
Canada
Prior art keywords
synthesis
fluoran dyes
fluoran
dyes
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA124824A
Other languages
English (en)
Other versions
CA124824S (en
Inventor
Lin Chao-Han
Schwab Helmut
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
National Cash Register Co
Original Assignee
National Cash Register Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by National Cash Register Co filed Critical National Cash Register Co
Application granted granted Critical
Publication of CA935169A publication Critical patent/CA935169A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B11/00—Diaryl- or thriarylmethane dyes
    • C09B11/04—Diaryl- or thriarylmethane dyes derived from triarylmethanes, i.e. central C-atom is substituted by amino, cyano, alkyl
    • C09B11/10—Amino derivatives of triarylmethanes
    • C09B11/24—Phthaleins containing amino groups ; Phthalanes; Fluoranes; Phthalides; Rhodamine dyes; Phthaleins having heterocyclic aryl rings; Lactone or lactame forms of triarylmethane dyes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Color Printing (AREA)
CA124824A 1970-11-16 1971-10-08 Process for the synthesis of fluoran dyes Expired CA935169A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US9009970A 1970-11-16 1970-11-16

Publications (1)

Publication Number Publication Date
CA935169A true CA935169A (en) 1973-10-09

Family

ID=22221332

Family Applications (1)

Application Number Title Priority Date Filing Date
CA124824A Expired CA935169A (en) 1970-11-16 1971-10-08 Process for the synthesis of fluoran dyes

Country Status (9)

Country Link
JP (1) JPS5544780B1 (tr)
AU (1) AU458589B2 (tr)
BE (1) BE775357A (tr)
CA (1) CA935169A (tr)
CH (1) CH567079A5 (tr)
ES (1) ES396942A1 (tr)
FR (1) FR2114674A5 (tr)
GB (1) GB1332594A (tr)
ZA (1) ZA717108B (tr)

Also Published As

Publication number Publication date
DE2155997A1 (de) 1972-05-25
ES396942A1 (es) 1975-03-01
ZA717108B (en) 1972-07-26
BE775357A (fr) 1972-03-16
AU458589B2 (en) 1975-03-06
JPS5544780B1 (tr) 1980-11-14
CH567079A5 (tr) 1975-09-30
DE2155997B2 (de) 1975-08-21
AU3512571A (en) 1973-05-03
FR2114674A5 (tr) 1972-06-30
GB1332594A (en) 1973-10-03

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